56578706 has 8 divisors (see below), whose sum is σ = 84946620. Its totient is φ = 28263168.

The previous prime is 56578679. The next prime is 56578721. The reversal of 56578706 is 60787565.

It can be written as a sum of positive squares in 2 ways, for example, as 48427681 + 8151025 = 6959^2 + 2855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×56578706² = 6402299945268872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10271 + ... + 14786.

Almost surely, 2^56578706 is an apocalyptic number.

56578706 is a deficient number, since it is larger than the sum of its proper divisors (28367914).

56578706 is a wasteful number, since it uses less digits than its factorization.

56578706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26188.

The product of its (nonzero) digits is 352800, while the sum is 44.

The square root of 56578706 is about 7521.8818124190. The cubic root of 56578706 is about 383.8996093543.

The spelling of 56578706 in words is "fifty-six million, five hundred seventy-eight thousand, seven hundred six".